Revert accidental checkin of files from SlimerJS branch

IPython/html/tests/notebook/arrow_keys.js

@@ -2,7 +2,6
 // Check for errors with up and down arrow presses in a non-empty notebook.
 //
 casper.notebook_test(function () {
-    this.then(function(){
         var result = this.evaluate(function() {
             IPython.notebook.command_mode();
             pos0 = IPython.notebook.get_selected_index();
@@ -15,9 +14,11 casper.notebook_test(function () {
             pos3 = IPython.notebook.get_selected_index();
             IPython.keyboard.trigger_keydown('down');
             pos4 = IPython.notebook.get_selected_index();
-            return [pos0, pos1, pos2, pos3, pos4];
+        return  pos0 == 0 &&
+                pos1 == 1 &&
+                pos2 == 2 &&
+                pos3 == 1 &&
+                pos4 == 2;
         });
-        this.test.assertEquals(result, [0, 1, 2, 1, 2], 'Up/down arrow okay in non-empty notebook.');
-    });
-    
+    this.test.assertTrue(result, 'Up/down arrow okay in non-empty notebook.');
 });
  No newline at end of file

IPython/html/tests/notebook/safe_append_output.js

@@ -25,7 +25,7 casper.notebook_test(function () {
     this.then(function () {
         var output = this.get_output_cell(0);
         this.test.assert(messages.length > 0, "Captured log message");
-        this.test.assertEquals(messages[messages.length-1].splice(0, 26), "Invalid type for image/png", "Logged Invalid type message");
+        this.test.assertEquals(messages[messages.length-1], "Invalid type for image/png 5", "Logged Invalid type message");
         this.test.assertEquals(output['image/png'], undefined, "Non-string png data was stripped");
         this.test.assertEquals(output['text/plain'], '5', "text data is fine");
     });